/* Register Page Styles */
.register-section {
  background: #3056d3;
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  padding-top: 120px;
  padding-bottom: 60px;
}

.register-content {
  animation: fadeInUp 0.8s ease-out;
  width: 100%;
}

.register-form {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.register-form input {
  transition: all 0.3s ease;
}

.register-form input:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.submit-btn {
  position: relative;
  overflow: hidden;
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.submit-btn:hover::before {
  left: 100%;
}

/* Floating Shapes Animation */
.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.shape {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 120px;
  height: 120px;
  top: 60%;
  right: 10%;
  animation-delay: 2s;
}

.shape-3 {
  width: 60px;
  height: 60px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 简化的模态框样式 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9998;
}

.modal-content {
  position: relative;
  background: white;
  border-radius: 12px;
  padding: 2rem;
  margin: 1rem;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  z-index: 10000;
  transform: scale(0.95);
  opacity: 0;
  transition: all 0.3s ease;
}

.success-icon {
  animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .register-form {
    padding: 2rem;
  }
  
  .register-section {
    padding-top: 100px;
    padding-bottom: 40px;
  }
  
  .register-content {
    max-width: 100% !important;
  }
}

@media (max-width: 640px) {
  .register-section {
    padding-top: 80px;
    padding-bottom: 30px;
  }
}

/* Loading State */
.submit-btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.submit-btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  margin: auto;
  border: 2px solid transparent;
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}